MathematicsInequalitiesWAEC
Solve 3 < 2x + 1 ≤ 9.
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Answer: C. 1 < x ≤ 4
Subtract 1: 2 < 2x ≤ 8; divide by 2: 1 < x ≤ 4.
An AdmitMe practice question, written for the WAEC syllabus. Not an official past question.
Mathematics · Inequalities
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